Table 2.

Associations between mode of transportation by primary shopper and food security among US adults who are the primary grocery shoppers for households with children

	Full food security	Marginal food security	Low food security	Very low food security
Full sample (N = 997)
Use personal vehicle, weighted % (SE) Do not use personal vehicle, weighted % (SE) Crude OR (95% CI) Adjusteda OR (95% CI) Adjustedb OR (95% CI)	62.4 (2.8) 28.9 (4.7) (Reference) (Reference) (Reference)	13.1 (1.7) 18.3 (3.3) 0.3 (0.2–0.6) 0.7 (0.4–1.3) 0.9 (0.6–1.5)	16.1 (1.7) 30.6 (8.7) 0.2 (0.1–0.5) 0.5 (0.2–1.2) 0.6 (0.3–1.7)	8.5 (1.3) 22.2 (7.4) 0.2 (0.1–0.5) 0.2 (0.1–0.6) 0.4 (0.1–1.0)
< 130% federal poverty line (N = 451)
Use personal vehicle, weighted % (SE) Do not use personal vehicle, weighted % (SE) Crude OR (95% CI) Adjusted* OR (95% CI)	35.9 (3.4) 23.1 (5.6) (Reference) (Reference)	18.9 (3.3) 18.7 (4.3) 0.7 (0.3–1.3) 1.0 (0.5–2.0)	27.3 (2.9) 33.3 (11.4) 0.5 (0.2–1.5) 0.6 (0.2–1.6)	17.9 (2.3) 24.9 (9.1) 0.5 (0.2–1.3) 0.3 (0.1–0.7)

^aAdjusted for age, race/ethnicity, and educational attainment

^bAdjusted for age, race/ethnicity, educational attainment, and poverty-to-income ratio

Values in bold signify statisically significant odd ratios where p<0.05